We don't have synonyms for groupers yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are trouper, trousers and Trousers.
(n) :
Any of various large food and game fishes of the subfamily Epinephelinae, especially the genera Epinephelus and Mycteroperca, which inhabit warm seas.
(n) :
Any of various large food and game fishes of the subfamily Epinephelinae, especially the genera Epinephelus and Mycteroperca, which inhabit warm seas.